I have created a Windows backup (.BKF) file through NTBackup utility in Windows XP, now I move Windows backup data from my Windows XP to Windows 7 and When I tried to open BKF file through NTBackup restore utility in Windows 7, it threw an error message "the backup file contains unrecognized data and cannot be used", but I tried to repair my Windows backup (BKF) file manually but unfortunately I failed. My friend suggested me a third party tool like MS backup repair tool which is the best repair my backup software that easily repair corrupt Windows backup file with help of three advance scanning modes- Quick, Deep and Range Based. By using advance backup repair utility, it is possible to restore/open BKF file in the original file without any interruption. The best repair my backup software works smoothly with all Windows OS editions including Windows 8 or Windows 7. Free evaluation version of the best repair my backup software is for checking the ability & features. Grab ms backup repair tool only at $89 and make recovery of Windows backup with effortlessness. If you get more information about this unbeatable software visit - www.ost2pst.in/repair-my-backup.html